Use the product rule to simplify the expression. Assume that the variables can be any real number.

A. z - 5
B. z + 5
C. |z2 - 10z + 25|
D. |z - 5|

Answer: D

Mathematics

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Simplify the given expression. Express answer with positive exponents.

A. x43/15 B. x15/7 C. x7/15 D. x25/18

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Mathematics

Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.log5

A. log5x - 2
B. - 2log5x
C. log5x - 2
D. 10 -  log5x

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Mathematics

Convert the equation to Cartesian coordinates.r = 

A. 9y - 5x = 1
B. 9x - 5y = 1
C.  = 1
D.  +  = 1

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Mathematics

Provide an appropriate response.If Q = 90e0.5t what happens to Q and to Q' as t increases?

A. Q increases and Q' increases. B. Q decreases and Q' decreases. C. Q decreases and Q' increases. D. Q increases and Q' decreases.

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Mathematics